Cleaning and liquid contact with solids – Processes – Paints – varnishes – lacquers – or enamels – removal
Patent
1991-04-01
1993-02-02
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Paints, varnishes, lacquers, or enamels, removal
134 40, 252153, 252170, 521918, C11D 150, C11D 732, C11D 750, C23G 502
Patent
active
051835142
ABSTRACT:
A process for the dissolution of polyurethane foams is disclosed. A polyurethane foam may be dissolved, or removed from a substrate, by contacting the polyurethane foam with 1,2-dialkyl imidazole, alone or as a co-solvent.
REFERENCES:
patent: Re27432 (1972-07-01), Torrenzano et al.
patent: 4009048 (1977-02-01), Jensen et al.
patent: 4028299 (1977-06-01), Olstowski
patent: 4120810 (1978-10-01), Palmer
patent: 4309300 (1982-06-01), Danforth et al.
patent: 4514530 (1985-04-01), Sellstrom et al.
patent: 4704234 (1987-11-01), Peterson et al.
H. L. Jackson and R. J. Gallagher, Jr., "DBE Purges Polyurethane Equipment without Methylene Chloride Risks", Elastomerics, Oct. 1990, pp. 56-60.
A. Luttringhaus and H. W. Dirksen, "Tetramethylurea as a Solvent and Reagent", Angew. Chem. Internat. Edit., vol. 3, (1964), No. 4, pp. 260-269.
Marquis Edward T.
Speranza George P.
Su Wei-Yang
Chaudhry Saeed T.
Morris Theodore
Park Jack H.
Priem Kenneth R.
Stolle Russell R.
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